Chapter 1.1, Problem 5QR

Writing Exercises 208. Explain why you should simplify both sides of an equation as much as possible before collecting the variable terms to one side and the constant terms to the other side.

Find three solutions to the equation: 4x + y = 8.

Writing Exercises 11. Emilliano thinks x = 40 is the solution to the equation 1/2x = 8O. Explain why he is wrong.

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Complete the equation for

The teacher has 5 cups of broth to share among the 4 students. How much broth will each student get? Draw a model to explain your answer. a. b. Will each student get more than or less than 1 cup of broth? Explain. More

The table shows the volume of water in a tank after it has been filled to a certain height. Which equation could represent the volume of water in cubic inches, V, when the height is h inches? Height of water (inches) Volume of water (cubic inches) 0 0 1 1.05 2 8.40 3 28.35 a.  h = V b.  h = v/4 c.  V = h2 + 0.05 d.  V = 1.05h3

Frank plants a dozen corn seedlings, each 6 inches tall. With plenty of water and sunlight they will grow approximately 2 inches per day. a. Complete the table of values for the height h of the seedlings after t days. t (days) h (inches) 0 5 10 15 92+ 88 84- 80 76- 72 68 64 60 56 20 b. Write an equation for the height, h, of the seedlings in terms of the number of days, t, since they were anted. h = c. Graph the equation on the grid with t on the horizontal axis, and h on the vertical. 73°F Mostly cloudy O Search 1